Q: What is the sum of all factors of the number 21,430,456 excluding 21,430,456?

 A: 18,751,664

Why is 18,751,664 the sum of all factors of 21,430,456, excluding 21,430,456?

The factors of the number 21,430,456 are: 1, 2, 4, 8, 2678807, 5357614, 10715228, 21430456.

If you add them up, you will get the total of 21,430,474. Now subtract 21,430,456 to get 18,751,664


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